Precise orbit determination for BDS satellites

Q Zhao, J Guo, C Wang, Y Lyu, X Xu, C Yang, J Li - Satellite Navigation, 2022 - Springer
Since the first pair of BeiDou satellites was deployed in 2000, China has made continuous
efforts to establish its own independent BeiDou Navigation Satellite System (BDS) to provide …

Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo

X Li, M Ge, X Dai, X Ren, M Fritsche, J Wickert… - Journal of geodesy, 2015 - Springer
In this contribution, we present a GPS+ GLONASS+ BeiDou+ Galileo four-system model to
fully exploit the observations of all these four navigation satellite systems for real-time …

Precise positioning with current multi-constellation global navigation satellite systems: GPS, GLONASS, Galileo and BeiDou

X Li, X Zhang, X Ren, M Fritsche, J Wickert, H Schuh - Scientific reports, 2015 - nature.com
The world of satellite navigation is undergoing dramatic changes with the rapid development
of multi-constellation Global Navigation Satellite Systems (GNSSs). At the moment more …

Broadcast versus precise ephemerides: a multi-GNSS perspective

O Montenbruck, P Steigenberger, A Hauschild - GPS solutions, 2015 - Springer
A consistent analysis of signal-in-space ranging errors (SISREs) is presented for all current
satellite navigation systems, considering both global average values and worst-user …

Towards millimeter-level accuracy in GNSS-based space geodesy: A review of error budget for GNSS precise point positioning

X Li, JP Barriot, Y Lou, W Zhang, P Li, C Shi - Surveys in Geophysics, 2023 - Springer
The aim of the new generation of Global Geodetic Observing System is a millimeter-level
accuracy in positioning, with a crucial role to be played by Global Navigation Satellites …

Precise orbit determination for quad-constellation satellites at Wuhan University: strategy, result validation, and comparison

J Guo, X Xu, Q Zhao, J Liu - Journal of Geodesy, 2016 - Springer
This contribution summarizes the strategy used by Wuhan University (WHU) to determine
precise orbit and clock products for Multi-GNSS Experiment (MGEX) of the International …

Multi-GNSS precise point positioning with raw single-frequency and dual-frequency measurement models

Y Lou, F Zheng, S Gu, C Wang, H Guo, Y Feng - GPS solutions, 2016 - Springer
The emergence of multiple satellite navigation systems, including BDS, Galileo, modernized
GPS, and GLONASS, brings great opportunities and challenges for precise point positioning …

Precise point positioning with quad-constellations: GPS, BeiDou, GLONASS and Galileo

C Cai, Y Gao, L Pan, J Zhu - Advances in space research, 2015 - Elsevier
Multi-constellation GNSS precise point positioning (PPP) first became feasible back to 2007
but with only two constellations, namely GPS and GLONASS. With the availability of more …

Multi-GNSS precise point positioning (MGPPP) using raw observations

T Liu, Y Yuan, B Zhang, N Wang, B Tan, Y Chen - Journal of geodesy, 2017 - Springer
A joint-processing model for multi-GNSS (GPS, GLONASS, BDS and GALILEO) precise
point positioning (PPP) is proposed, in which raw code and phase observations are used. In …

Initial assessment of BeiDou-3 global navigation satellite system: Signal quality, RTK and PPP

Z Zhang, B Li, L Nie, C Wei, S Jia, S Jiang - Gps Solutions, 2019 - Springer
China has recently established the primary constellation of BeiDou-3 global navigation
satellite system (BDS-3). It is necessary to conduct a comprehensive assessment about its …